Alex O'Brien
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Alex O'Brien is an American former doubles world No. 1 tennis player. He gained the top ranking in May 2000 and was ranked as high as world No. 30 in singles in June 1997. He won the men's doubles at
O'Brien in 2018
Jan Siemerink
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Johannes Martinus "Jan" Siemerink is a retired tennis player from the Netherlands. The former Dutch Davis Cup captain reached a career-high ATP ranking of 14.
Alex O'Brien
…Outdoors (1–0) Indoors (0–0) Result W–L Date Tournament Tier Surface Opponent Score Win 1–0 Aug 1996 New Haven, United States Championship Series Hard Jan Siemerink 7–6(8–6), 6–4 Doubles: 33 (13 titles, 20 runner-ups) Legend Grand Slam Tournaments (1–3) ATP World Tour Finals (1–1) ATP Masters Series (4–3) ATP…
Jan Siemerink